Director/PDMR Shareholding

Centrica PLC
                  

          NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS

      DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS

This form is intended for use by an issuer to make a RIS notification required
by DR 3.1.4R(1).

(1) An issuer making a notification in respect of a transaction relating to the
shares or debentures

of the issuer should complete boxes 1 to 16, 23 and 24.

(2) An issuer making a notification in respect of a derivative relating the
shares of the issuer

should complete boxes 1 to 4, 6, 8, 13, 14, 16, 23 and 24.

(3) An issuer making a notification in respect of options granted to a
director/person discharging

managerial responsibilities should complete boxes 1 to 3 and 17 to 24.

(4) An issuer making a notification in respect of a financial instrument
relating to the shares of

the issuer (other than a debenture) should complete boxes 1 to 4, 6, 8, 9, 11,
13, 14, 16, 23 and

24.

Please complete all relevant boxes in block capital letters.

1. Name of the issuer

CENTRICA PLC

2. State whether the notification relates to

(i) a transaction notified in accordance with DR 3.1.4R(1)(a); or

(ii) DR 3.1.4(R)(1)(b) a disclosure made in accordance with section 324 (as
extended by section 328) of the Companies Act 1985; or

(iii) both (i) and (ii)

(i) ONLY

3. Name of person discharging managerial responsibilities/director

IAN GRANT DAWSON

4. State whether notification relates to a person connected with a person
discharging managerial responsibilities/director named in 3 and identify the
connected person

N.A.

5. Indicate whether the notification is in respect of a holding of the person
referred to in 3 or 4 above or in respect of a non-beneficial interest(1 )

HOLDING IN RESPECT OF IAN GRANT DAWSON

6. Description of shares (including class), debentures or derivatives or
financial instruments relating to shares

ORDINARY SHARES OF 6 14/81 PENCE

7. Name of registered shareholders(s) and, if more than one, the number of
shares held by each of them

IAN GRANT DAWSON

8. State the nature of the transaction

SALE

9. Number of shares, debentures or financial instruments relating to shares
acquired

N.A.

10. Percentage of issued class acquired (treasury shares of that class should
not be taken into account when calculating percentage)

N.A.

11. Number of shares, debentures or financial instruments relating to shares
disposed

10,000

12. Percentage of issued class disposed (treasury shares of that class should
not be taken into account when calculating percentage)

0.0003%

13. Price per share or value of transaction

253.09 pence

14. Date and place of transaction

29 DECEMBER 2005

15. Total holding following notification and total percentage holding following
notification (any treasury shares should not be taken into account when
calculating percentage)

316,128 ORDINARY SHARES

0.009%

16. Date issuer informed of transaction

29 DECEMBER 2005

If a person discharging managerial responsibilities has been granted options by
the issuer

complete the following boxes

17. Date of grant

18. Period during which or date on which it can be exercised

19. Total amount paid (if any) for grant of the option

20. Description of shares or debentures involved (class and number)

21. Exercise price (if fixed at time of grant) or indication that price is to be
fixed at the time of exercise

22. Total number of shares or debentures over which options held following
notification

23. Any additional information

24. Name of contact and telephone number for queries

CENTRICA INVESTOR RELATIONS 01753 494900

CENTRICA MEDIA RELATIONS 01753 494085

Name and signature of duly authorised officer or issuer responsible for making
notification

ROBIN HEALY

DATE OF NOTIFICATION 29 DECEMBER 2005